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Measurement aspects on a digital beamforming transmitter are addressed. A calibration and steering procedure for the beamforming transmitter is implemented in LabView. After calibration any beam direction can be achieved within a few clock cycles by switching in a digital control word. A reference horn antenna is built to characterize the transmitter and achieves an S11 less than -8 dB in the freq
Drawing on results from a survey made at three local social forums held in Sweden, and interviews with activists taking part in the “co-ordination group” of one of these local forums (and to some extent interviews with Swedish local forum activists that visited the World Social Forum 2007 in Nairobi, Kenya), this paper focus on the transnational and the global dimension of activism within the glob
Major threats to biodiversity and ecosystem persistence are fragmentation of habitats and declining population sizes. For conservation biologists to understand the consequences of declining populations for the long term persistence and recovery of species worldwide, it is important to know and understand the underlying causes of potential threats, such as the depletion of genetic diversity, which
This article discusses peculiarities of the Romanian grammar in comparison with other Ind-European languages from historical perspective. It shows that Romanian uniquely preserves older characteristics of Indo-European languages, which makes it look 'an odd-one-out' among other Romance languages.
